gpu: nvgpu: gsp NVRISCV load and bootstrap

Changes:
- This change will only init gsp software
  state, nvgpu_gsp_bootstrap need to be called.
- CONFIG_NVGPU_GSP_SCHEDULER flag is created to
  compile out the gsp scheduler code when needed.
- Created GSP engine reset which is needed when
  ACR completed execution and need to load gsp fw.

NVGPU-6783

Signed-off-by: Ramesh Mylavarapu <rmylavarapu@nvidia.com>
Change-Id: I2ce43e512b01df59443559eab621ed39868ad158
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2554267
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>

drivers/gpu/nvgpu/os/linux/module.c

@@ -83,6 +83,10 @@
 #include "debug_pmgr.h"
 #include "dmabuf_priv.h"
 
+#ifdef CONFIG_NVGPU_GSP_SCHEDULER
+#include "nvgpu/gsp.h"
+#endif
+
 #ifdef CONFIG_NVGPU_SUPPORT_CDE
 #include "cde.h"
 #endif
@@ -945,6 +949,10 @@ void gk20a_remove_support(struct gk20a *g)
 	nvgpu_free_cyclestats_snapshot_data(g);
 #endif
 
+#ifdef CONFIG_NVGPU_GSP_SCHEDULER
+	nvgpu_gsp_sw_deinit(g);
+#endif
+
 	nvgpu_fbp_remove_support(g);
 
 	nvgpu_remove_usermode_support(g);